Question

General Sensory

1. Stimuli in the environment are detected by ___________. _________ detect stimuli in the outside environment while ________ detect internal stimuli. ________ detect chemicals; ________ detect pressure; ________ detect photons; _________detect changes in shape; ________ detect changes in muscle length
2. Receptors can only detect stimuli that is presented in the ___________. Smaller/larger receptive field allow for better precision. Receptors generate ___________ which triggers __________ in sensory neurons. Sensory neurons relay information to the _________ then to the __________ where stimuli is perceived.

Taste

1. Taste receptors are ___________; they are located in _________. ________ trigger salty taste; ________ trigger sweet taste; ________ trigger bitter taste; _______ trigger umami taste; ______ trigger sour taste.
2. _________ and _______ chemicals directly enter taste cells to depolarize them. __________ chemicals bind to receptors which activate second messenger system.
3. Taste cells activate neuron is CN _________ which relay the information to the __________ and then to __________ then finally to the _________ where taste is perceived.

Smell

1. Olfactory receptors are located _____________. Binding of odorants to olfactory receptors activates _________ which activates ___________ enzyme which converts __________ to ________. cAMP opens ________ to _______ the olfactory neuron. The olfactory neurons synapse in the _________ and then to the _________ where odor is perceived.

Answer 1

1. Receptor
2. Exteroceptor
3. Interoceptor
4. Chemoreceptor
5. Baroreceptor
6. Photoreceptor
7. Tactile receptor
8. Stretch receptor
9. Receptive field
10. Receptor potential
11. Action potential
12. spinal segment
13. Motor neuron
14. Chemoreceptor
15. Tongue, mouth, and back of the throat
16. Sodium-ion ( Na+)
17. Glucose
18. Alkaloid
19. Carboxylate of glutamate
20. Hydrogen ion (H+)
21. Na+ and H+
22. Glucose
23. Vagus, glossopharyngeal nerve, facial nerve
24. Nucleus solitarus in the medulla oblongata
25. thalamus
26. The gustatory cortex of the insula
27. Nose ( cribriform plate)
28. G-protein
29. adenyl cyclase
30. ATP
31. Cyclic Adenosine monophosphate
32. Sodium channels
33. Sodium
34. anterior olfactory nucleus
35. Primary olfactory centre